Unit 3: Geometry and Spatial Sense

Content Standard: Geometry and Spatial Sense

Geometry and Spatial Sense Standard

Marilyn Burns Geometry Activities



http://www.ohiorc.org/features/oh_mathematics/learning_conductor/dlw_lesson.aspx?file=36

1. Draw circles, and identify and determine relationships among the radius, diameter, center and circumference; e.g., radius is half the diameter, the ratio of the circumference of a circle to its diameter is an approximation of π.
http://mathforum.org/alejandre/circles.html
http://nces.ed.gov/nationsreportcard/itmrls/qtab.asp?listarr=%221992-
http://nces.ed.gov/nationsreportcard/itmrls/itemdisplay.asp?NumSearchResults=1&CurrentQuestions=:1992-12M15%
2B2&SearchIndex=1&SearchStartIndex=1&QuestionsPerPage=20&TabPageIndex=0&SearchQuestionSet=0&
http://illuminations.nctm.org/index_d.aspx?id=616

2. Use standard language to describe line, segment, ray, angle, skew, parallel and perpendicular.
http://illuminations.nctm.org/index_d.aspx?id=616
http://illuminations.nctm.org/LessonDetail.aspx?ID=L350
http://illuminations.nctm.org/tools/tool_detail.aspx?id=22
http://www.pbs.org/teachersource/mathline/lessonplans/msmp/tiling/til.
http://www.ohiorc.org/features/oh_mathematics/learning_conductor/dlw_lesson.aspx?file=36

3. Label vertex, rays, interior and exterior for an angle.


Describe and use properties of congruent figures to solve problems.
http://www.ohiorc.org/features/oh_mathematics/learning_conductor/dlw_lesson.aspx?file=45
http://www.pbs.org/teachersource/mathline/lessonplans/msmp/tiling/til...
http://nces.ed.gov/nationsreportcard/itmrls/qtab.asp?listarr=%221990-

4. Use physical models to determine the sum of the interior angles of triangles and quadrilaterals.
http://www.ohiorc.org/features/oh_mathematics/learning_conductor/dlw_lesson.aspx?file=38
http://illuminations.nctm.org/tools/tool_detail.aspx?id=9

5. Extend understanding of coordinate system to include points whose x or y values may be negative numbers.
http://illuminations.nctm.org/index_d.aspx?id=280
http://www.shodor.org/interactivate/lessons/fm1a.html

6. Understand that the measure of an angle is determined by the degree of rotation of an angle side rather than the length of either side.

http://www.figurethis.org/challenges/c10/challenge.htm
http://illuminations.nctm.org/index_d.aspx?id=616

7. Predict what three-dimensional object will result from folding a two-dimensional net, then confirm the prediction by folding the net.
http://illuminations.nctm.org/index_d.aspx?id=616
http://illuminations.nctm.org/LessonDetail.aspx?ID=L570
http://illuminations.nctm.org/LessonDetail.aspx?ID=U122
http://math.rice.edu/~lanius/Lessons/Polys/poly1.html
http://www.thirteen.org/edonline/lessons/polyhedra/polyhedraov.html
http://nces.ed.gov/nationsreportcard/itmrls/qtab.asp?listarr=%222003

Unit 2
Unit 4
Activities for Unit 3